Home / 786,517.52-1,177,939.20-723,007.04

Finding the Fourth Proportional to 786,517.52, 1,177,939.20 and 723,007.04

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Solution

The fourth proportional to 786,517.52, 1,177,939.20 and 723,007.04 is: 1,082,821.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,517.52 : 1,177,939.20 = 723,007.04 : x
  2. Step 2: Convert to fraction form
    786,517.52/1,177,939.20 = 723,007.04/x
  3. Step 3: Cross multiply
    786,517.52x = 1,177,939.20 × 723,007.04
  4. Step 4: Simplify right side
    786,517.52x = 851,658,334,291.97
  5. Step 5: Solve for x
    x = 851,658,334,291.97/786,517.52
  6. Step 6: Final answer
    x = 1,082,821.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.